.mj_main_board {
	width: 799px;
	height:656px;
	padding: 10px;
	background-color: whiteSmoke;
}

.mj_item {
	height: 70px;
	width: 35px;
	border: 1px solid black;
	-moz-border-radius: 5px;
	-webkit-border-radius: 5px;
	border-radius: 5px;
	float: left;
	display: inline-block;
	padding: 5px;
	text-align: center;
	font-size: 16px;
	font-weight: 600;
}

.selected {
	background-color: yellow;
}

.wan {
	color: blue;
}

.tiao {
	color: green;
}

.bing {
	color: black;
}

.feng {
	color: orange;
}